NL5441A / B5441A needed to replace damaged tubes from home theft. Source?

[Robert Hume]

So... I suffered a home theft and one of the stolen items was a custom made device that used 6 nixie tubes.

While the device was recovered, all of the tubes themselves had been broken. :(

It used (6) NL5441A tubes.  I really desire the A version with the smooth top to maintain the original appearance.

Does anyone know where I may be able to obtain some of these?  All of my searches so far have come up empty, for any price.

If anyone has any available or knows someone who does I would greatly appreciate it!

[Jeff Walton]

The last time I saw any of these on ebay, they went for over $60 each!  I think that the supply has dried up. 

 

Jeff

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[Paolo Cravero]

Hello Robert.

Your best bet could be to look for HP devices that mount 1970-0035 part: that's the HP code for NL5441A. Basically: look eBay/marketplaces for HP stuff with Nixies inside, then look up the service manual to see the parts list.

I've got a few 1970-0035 that are inside an otherwise not useful HP device that I'm trying to revive (9403A, I doubt there is another one still around).

Contact me off-list in case you run out of patience to look for replacements. Consider we might not be in the same Continent.

Paolo

[Robert Hume]

Thanks for the info!  I can also use 5440A as I do not need the decimal, however they seem even harder to find. :(

I shall keep looking!  If anyone can supply all 6 I am happy to talk a deal.

[Terry Kennedy]

On Wednesday, January 9, 2019 at 12:54:03 PM UTC-5, Jeff Walton wrote:

The last time I saw any of these on ebay, they went for over $60 each!  I think that the supply has dried up. 

Weren't these the tubes in the Richardson close-out group buy back in 2008 in the old Yahoo group? At $4.57 each? 

[John Rehwinkel]

> So... I suffered a home theft and one of the stolen items was a custom made device that used 6 nixie tubes.
> While the device was recovered, all of the tubes themselves had been broken. :(

Ouch.

> It used (6) NL5441A tubes. I really desire the A version with the smooth top to maintain the original appearance.
> Does anyone know where I may be able to obtain some of these? All of my searches so far have come up empty, for any price.

I have some left over from the group buy. How many did you need?

Regards,
John

[Kevin A.]

Was the theif caught?

[lokn...@gmail.com]

I have seen a few NL-5441. Same with no decimal as well. $24

https://www.ebay.com/itm/National-Electronics-NL-5441-Vacuum-Tube-/152087150766

Sent from my iPhone

On Jan 9, 2019, at 18:31, Robert Hume <profrob...@gmail.com> wrote:

Thanks for the info!  I can also use 5440A as I do not need the decimal, however they seem even harder to find. :(

I shall keep looking!  If anyone can supply all 6 I am happy to talk a deal.

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[Jeff Walton]

He's looking for the "A" version which has a smooth dome top.  They are nearly non-existant.  It looks like there were some people on this group that bought up a bunch of them 10 years ago for $4.95 each.  Hopefully someone is sitting on a bunch and will share... 

[Robert Hume]

By luck, he was!  He was caught breaking in to another house and still had my stuff in his car.  

Not sure why he stole this even.  My first though was that it "looked cool", however throwing it in to a sack and having it break seems like it would reduce the value a bit?

[Robert Hume]

That would be absolutely amazing of you!

I sent you a PM.   I still need all 6 however anything you can do would be appreciated and I can keep up my search!

[Nicholas Stock]

https://www.ebay.com/itm/NATIONAL-ELECTRONICS-NL-5441-A-NL5441A-RQANS2-/233094079525?&_trksid=p2056016.l4276

As if by magic! Not my listing etc etc....

Nick

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[Kevin A.]

Haha what are the chances! 6 brand new ones..

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[Ulysses Balis]

Hi Robert,

So sorry to hear of your loss.  Six NL5441A tubes appear to be available here for $50 each:

https://www.chipnet.com/SearchResults.asp?criteria=Begins+With&pnumber=NL-5441A

Best,

U. Balis

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[alb.001 alb.001]

I think they are just "fishing" for e-mail addresses and probably don't really have any stock

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[Ulysses Balis]

This is a real offer.  Out of curiosity, I filled out the quote form and indeed, these six tubes are available.  They responded within thirty minutes. Robert, if you need a couple of spares, this might be a good source.

Best,

U. Balis

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[Roddy Scott]

I have access to 3 x B5441As at present. I previously had another 20 of them available in a Nixie sale I recently conducted but they went to a single buyer.

If these are of use to you let me know.

[Robert Hume]

Wouldn't you know it... I wasn't able to get online until now and they are gone.  Would have been perfect! :(

Thanks anyway.